Which set of quantum number is not consistent with the quantum mechanical theory (A) `n=2,l=1,m=1,s=1/2` (B) `n=4,l=3,m=2,s=-1/2` (C) `n=3,l=2,m=3,s=+1/2` (D) `n=4,l=3,m=3,s=+1/2`

4) Which of the following set of quantum number is not possible? (A) "n=3,l=2,m=-1, s=-1/2 (B) "n=4,l=2,m=-2, s=+1/2 (C) "n=3,l=1,m=2, s=-1/2 (D) "n=4,l=1,m=1, s=+1/2

The set of Quantum numbers that is not possible for a d-electron (A) n=3, l=2, m=0, s=+1/2 (B) n=2, l=2, m=-2, s=+1/2 (C) n=4, l=2;m=+2, s=+1/2 (D) n=4, l=2, m=-1, s=-1/2

Which of the following sets of quantum numbers represents the highest energy of an electron? I n=5,l=0,m=0,s=+1/2 II n=6,l=2,m=1,s=+1/2 III n=5,l=1,m=1,s=-1/2 IV n=4,l=1,m=0,s=-1/2

From the following sets of quantum numbers , state which are possible ? (i) n=0,l=0,m_(l)=1,m_(s)= +1//2 (ii) n=2,l=1,m_(l)=0,m_(s) = -1//2 (iii) n=2, l=0,m_(1)=3,m_(s) = +1//2 (iv) n=3,l=1,m_(l)=0,m_(s) = +1//2

Arrange the electrons represented by the following sets of quantum numbers in decreasing order of energy. (i) n=4, l=0, m_(l)=0, s=+1//2 , (ii) n=3, l=1, m_(l)=1, s=-1//2 (iii) n=3, l=2, m_(l)=0, s=+1//2 , (iv) n=3, l=0, m_(l)=0, s=-1//2

Which of the following set of quantum numbers are not permited (a) n=3, l=2,m=-2,s=+1/2 (b) n=3, l=2, m=-1,s=0 (c) n=2 ,l=2,m=+1,s=-1/2

The set of quantum numbers, n = 3, l = 2, m_(l) = 0